Tom Ousby, who is widely reported to have died after falling from a hotel in Spain, was an aspiring model and musician from London.
A YouTube video of him playing drums to Taylor Swift's song 22 has been watched more than 9,000 times.
Tributes have meanwhile flooded on to Twitter, including a picture of his name spelled out in tea-light candles.
His reported death came days after he apparently planned to return to the UK, tweeting: "Magas all good, coming home sometime this week tho."
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The 53-year-old was killed shortly after leaving her home in Mosta, Prime Minister Joseph Muscat said.
Jordi Sanchez of the Catalan National Assembly and Jordi Cuixart of the Omnium Cultural group were jailed on Monday.
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